<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        //利用 new Object() 创建对象
        var obj1 = new Object();

        //利用 对象字面量创建对象
        var obj2 = {};

        //利用构造函数创建对象
        function Star(uname, age) {
            this.uname = uname;
            this.age = age;
            // this.sing = function() {
            //     console.log('我会唱歌');
            // }
        }
        // Star.prototype.sing = function() {
        //     console.log('我会唱歌');
        // }
        // Star.prototype.movie = function() {
        //     console.log('我会演电影');
        // }
        Star.prototype = {
            constructor: Star,
            sing: function() {
                console.log('我会唱歌');
            },
            movie: function() {
                console.log('我会演电影');
            }
        }
        var ldh = new Star('刘德华', 18);
        console.log(ldh);
        Star.sex = '男';
        console.log(Star.sex);
        ldh.sing();
        console.log(Star.prototype.constructor);
        console.log(ldh.__proto__.constructor);
    </script>
</body>

</html>